Apple Xserve RAID User's guide Guida di Configurazione Scaricare il pdf (Pagina 36)

36 Chapter 2 Installing or Replacing Components

For Best Performance

For the best possible performance from a dual-CPU Xserve, install six or twelve identical

DIMMs in the slots shown in the table above. For a single-CPU Xserve, install three or

six identical DIMMs. The Memory Slot Utility will advise you if your DIMM conguration

can be improved. The utility runs automatically the rst time you start up the Xserve

after changing the memory conguration, or you can run it at any time from /System/

Library/CoreServices/Memory Slot Utility.

To install memory:

1 Review the memory installation rules and make sure you have the right type of DIMMs.

2 Shut down the Xserve and unplug all cables.

Important: Be sure the Xserve is turned o and the power cords are unplugged before

you install or remove memory.

3 Remove the Xserve from the rack and open it. For instructions, see “Opening and

Closing the Xserve” on page 30.

WARNING: Always wait 5 to 10 minutes for the Xserve to cool down before you try

to install memory. DIMMs that are already installed and other components near the

DIMM slots may be very hot.

4 Open the ejectors on a slot by pushing them outward.

Important: Don’t touch the gold connectors on the DIMMs.

5 Without touching its gold connectors, align a DIMM in the slot and push straight down

on both ends until the DIMM is seated and the ejectors snap upright.

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Apple Xserve RAID User's guide Guida di Configurazione Pagina 36